A business had $9 420 in its bank account. The following transactions took place:
                                                                                                  $
Bought goods on credit ...........................................        250
Sold goods on credit  ...............................................      1100
Repaid a loan by cheque  ........................................      5000

How much was there in the bank after these transactions?
A. $3,570 

B. $4,420 

C. $4,670

D. $5,270